{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Another purpose was to evaluate the effect of poly ( L - lactide ) ( PLLA ) or poly ( D , L - lactide ) ( PDLLA ) incorporation on crystallinity of pentablock copolymers and in vitro release profile of triamcinolone acetonide ( selected as model drug ) from nanoparticles ."}
{"Chemical": ["poly ( L - lactide )", "PLLA", "poly ( D , L - lactide )", "PDLLA", "triamcinolone acetonide"]}